High quality bakin karfe square tube
Bakin karfe murabba'in bututu nau'in karfe ne mai tsayi. Domin sashin yana da murabba'i, ana kiran shi square tube. Ana amfani da bututu mai yawa don jigilar ruwa, kamar mai, iskar gas, ruwa, iskar gas, tururi, da sauransu. Bugu da ƙari, idan ƙarfin lanƙwasa da ƙwanƙwasawa iri ɗaya ne, nauyin yana da ɗan sauƙi, don haka su ma suna da yawa. ana amfani da shi wajen kera sassan injiniyoyi da tsarin injiniya.
Rarraba bakin karfe murabba'in bututu: square bututu ne zuwa kashi sumul karfe bututu da welded karfe bututu (slotted bututu). Dangane da siffar sashe, ana iya raba shi zuwa bututu mai murabba'i da rectangular. Ana amfani da bututun ƙarfe na madauwari ko'ina, amma kuma akwai wasu bututun ƙarfe na musamman kamar su semicircular, hexagonal, triangle equilateral da octagonal.
Don bakin karfe murabba'in bututu mai ɗauke da ruwa matsa lamba, za a yi gwajin na'ura mai aiki da karfin ruwa don duba juriya da ingancinsa. Ya cancanci idan babu yoyo, jika ko faɗaɗa ƙarƙashin ƙayyadadden matsa lamba. Wasu bututun ƙarfe kuma za su kasance ƙarƙashin gwajin crimping, gwajin walƙiya, gwajin lallasa, da sauransu bisa ga ma'auni ko buƙatun mai nema.
Musammantawa na murabba'in bututu: 5 * 5 ~ 150 * 150 mm kauri: 0.4 ~ 6.0 mm
Square tube abu: 304, 304L, TP304, TP316L, 316, 316L, 316Ti, 321, 347h, 310S
Karfe na iya amsawa tare da iskar oxygen a cikin yanayi don samar da fim din oxide a saman. Iron oxide da aka samu akan ƙarfe na carbon na yau da kullun zai ci gaba da yin oxidize, yana faɗaɗa lalata kuma a ƙarshe ya samar da ramuka. Wannan na iya amfani da fenti ko ƙarfe mai juriya da iskar shaka don yin amfani da wutar lantarki don kare saman ƙarfen carbon, amma wannan Layer na kariya ba ƙaramin fim bane. Idan layin kariya ya lalace, ƙarfen da ke ƙasa zai sake yin tsatsa. Ko bututun bakin karfe ya lalace yana da alaƙa da abun ciki na chromium a cikin ƙarfe. Lokacin da abun ciki na chromium a cikin karfe ya kai 12%, an kafa wani Layer na passivated kuma mai yawa chromium arziki oxide a saman saman bakin karfe bututu a cikin yanayi don kare farfajiya da kuma hana kara reoxidation. Wannan oxide Layer yana da bakin ciki sosai. Ta hanyarsa, za ku iya ganin ƙwanƙwasa na halitta na saman karfe, wanda ya sa bakin karfe ya sami wani wuri na musamman. Idan fim ɗin chromium ya lalace, chromium a cikin ƙarfe da iskar oxygen a cikin yanayi za su sake haifar da fim ɗin m don ci gaba da taka rawar kariya. A wasu wurare na musamman, bakin karfe shima zai gaza saboda wasu gurbacewar gida, amma sabanin karfen carbon, bakin karfe ba zai gaza ba saboda lalata iri daya, don haka izinin lalata ba shi da ma'ana ga bututun bakin karfe.
